Printing-press



(No Model.) 2 Sheets-Sheet 1. f G. P. FENNER. PRINTING PRESS.`

No. 416,587. Patented Dec. 8, 1889.

ATTORNEY N. PEYEHS. Pwlvumggnpher, wnhingten, mc.

(No Model.) 2 sheets-sheen z.

G. P. FENNBR.

PRINTING PRESS.

No. 416.587. Patented Deo. 3, 1889.

HIHITTHIHIII] IIIH Ill 'HHIHIIIHHIIHHWIHHHH l llll l.

\ l l H `Q" L im I HI] l N K Il: I' ALU l w/ misses.- mmm/n 6207225717111. www/f# N, bums, Pmmmmnpm wnmnmwnlc UNITED STATES PATENT OEEICE.

GEORGE P. FENNER, OF NEV LONDON, CONNECTICUT.

PRINTING-PRESS.

SPECIFICATION forming part of Letters Patent No. 416,587, dated December 3,1889. Application filed January 3, 1889. Serial No. 295,302. (No model.)

T0 @Z whom it may concern.:

Beit known that I, GEORGE P. FENNER, a citizen of the United States, residing at New London, in the county of New London and State of Connecticut, have invented new and useful Improvements in Printing-Presses, of which the following is a specification.

This invention relates to an improvement in printing-presses, by means of which a comparatively small impression-cylinder can be used in connection with a comparatively long type-bed, as set forth in the following speciiication and claims, and illustrated in the accompanying drawings, in Which- Figure 1 is a side elevation of a printingpress. Fig. 2 is a section along the line a: 0c, Fig. 1. Fig. 3 is a section along the line y y, Fig. 1.

Similar letters indicate corresponding parts.

In the drawings, the letter A indicates a frame or support. The driving-shaft B has pulleys C C, one fast, the other loose, so that said shaft can be rotated or allowed to come to rest in the usual way.

Gear-wheels D E F communicate motion from the driving-shaft to the impression-cylinder Gr.

To the driving-shaft'B is jointed the shaft H, carrying the gear-wheel I, engaging the rack K. The joint of the shaft H allows the gear-wheel I to engage the rack K at one time along the lower part of the rack and at another time along the upper part of the rack, whereby the rack is given a reciprocating motion. The reciprocations of the rack K are imparted to the type-bed L, so as to cause said type-bed to move back and forth along its ways M.

The type-bed L has a rack N engaging the toothed wheels O O. Said toothed wheels engage the toothed wheels P P', connected to the distributing-rollers U U, which bear against the inking-rollers Q Q. As the type-bed L reciprocates the wheels O O and rollers U U- and Q Q are rotated, so as to distribute ink over the type.

In Fig. 1 the type-bed L is shown as having reached the extreme end of a stroke. It will be noticed that the bed L has passed only partly under the rollers Q. In passing to the extreme end of the other stroke, the bed L will pass only partly under the rollers Q, the

bed L is made to extend inside of the inking rollers toward the cylinder G. This lengthening of the bed L can be effected without its being necessary to enlarge the cylinder G. It is also to be noticed that as the strokes of the bed L are shortened by the bed L having to pass only partly under the rollers Q Q the bed L is enabled to arrive so much sooner at the end of each stroke, thus enabling Vthe press to operate rapidly. The rollers Q Q are mounted in frames R R', which are vertically movable sufficiently to enable the rollers Q Q to be lifted out of contact with the type and to pass back into contact therewith. In Fig. 1, where the bed L is at the extreme end of a stroke, the lifters or inclines T have raised the frame R by means of roller-studs S sufficient-ly to raise the rollers Q out of contact withI the type. As the bed L starts on the other stroke, the rollers S gradually glide off the inclines T and allow the frame R to fall and bring the rollers Q into contact with the type. Such cont-act does not occur until the rollers have fully partaken of the motion of the bed L, so that no friction or rubbing of the rollers on the type will occur, since by such friction the ink might be smeared over the type and the type be clogged. When the bed L has passed to the end of its stroke under the rollers Q, the lifters or inclines T raise the frame R by means of the roller-studs S, so as to raise the rollers Q out of contact with the type and keep such rollers out of such contact until said rollers have fully partaken of the motion of the bed L in its stroke toward the rollers Q. The roller-studs S S are suitably secured to the frames R R, and the inclines T T are suitably secured to the sides of the bed L. The inclines T, Fig. 2, are placed to one side of the inclines T and the roller-studs S are extended so that their rollers lie in the path of the inclines T, but clear of the inclines T while the rollers of the studs S lie in the path of the inclines T ,but clear of the inclines T. The rise of the frames -R R, while sufficient to raise the inking-roll- IOO ers out of contact. with the type, is not made so great as to lift the toothed wheels O 0 out of mesh with the rack N, so that the movements of the rack will always properly actuate the wheels O O and the hiking-rollers. The feed-board V is arranged in the usual Way for enabling.r the cylinder G to be properly fed.

lVhat I claim as new, and desire to secure by Letters Patent, is-

l. The combination, with an impression-cylinder, a type-bemand two sets of verticallymovable hiking-rollers, of litters secured to said bed and arranged to hold the inkingrollers out of contact with the type while the bed is altering its stroke, substantially as described.

2. The combination, with an impression-cylinder, a type-bed, and two sets of inking-rollers arranged, respectively, at opposite sides of the impressioli-cylinder and each set mounted in a vertically-movable frame, of roller-studs secured to the frames, the rollers of the studs on one frame being out of line with the rollers of the studs on the other frame, and lifters for said roller-studs secured to the typebed, the litters for one set of roller-studs being arranged to clear the rollers of the other set of studs, substantially as described.

23. The combination, with a reciprocating type-bed, an impression-cylinder arranged to perform one revolution during a forward and backward movement of the type-bed, and two sets of. vertically-movable hiking-rollers, each set being made to ink a portion of the type, of litters secured to said bed for alternately liftingr the rollers out of Contact with the type and for holding them while the bed is alterin g its stroke, substantially as described.

el. The combination, with an impression-cylin der, of a reciprocating type-bed and two sets of ink-rollers, each set arranged to ink its respective portion of the type-form while the bed is moving along about one-half of the width of the form toward the limit of its travel and return, said type-bed being, made to carry only a portion of the type-forni under each corresponding set of ink-rollers, substantially as described.

In testimony whereof l have hereunto set my hand and seal in the presence of two subscribinfjr witnesses.

GEORGE P. FENNER. [Ih s] NVitnesses:

CHARLEs A. CoLLoRD, ERNST F. KASTENHUBER. 

